Volker John, William J. Layton. Approximating Local Averages of Fluid Velocities: The Stokes Problem. Computing, 66(3):269-287, 2001. [doi]
@article{JohnL01, title = {Approximating Local Averages of Fluid Velocities: The Stokes Problem}, author = {Volker John and William J. Layton}, year = {2001}, url = {http://link.springer.de/link/service/journals/00607/bibs/1066003/10660269.htm}, researchr = {https://researchr.org/publication/JohnL01}, cites = {0}, citedby = {0}, journal = {Computing}, volume = {66}, number = {3}, pages = {269-287}, }